What does Marshall use instead of live models

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.

Ilearned in arecent video that was a main tour of israel that it's not just a simple town. it's a town with deep secrets and many wonderous places to visit. isreal has a lot of christian tolerance and it holds a lot of history.

The answer here would be "work ethic."